9. MAINTENANCE
SPARK ARRESTER MAINTENANCE (optional equipment)
The spark arrester must be serviced every 100 hours to keep it functioning
as designed.

B

Touching the engine or exhaust system while,hot can cause
burns. Let the engine cool before servicing.
1. Remove the two nuts from the muffler shield, using a 10 mm wrench.
2. Remove the muffler shield, identification plate, muffler, and gasket.
3. Remove the spark arrester from the muffler.
4. Check for carbon deposits on the spark arrester and the exhaust port. Brush
carbon deposits away. Be careful to avoid damaging the spark arrester
screen.
5. Install the spark arrester in the muffler.
6. Install the muffler components on the engine, and tighten the two nuts
securely.
SPARK ARRESTER SPARK ARRESTER
(OPTIONAL PART) (OPTIONAL PART)
MUFFLER MUFFLER
(OPTIONAL PART) (OPTIONAL PART)
IDENTIFICATION PLATE IDENTIFICATION PLATE
(OPTIONAL PART) (OPTIONAL PART)
6
rkn
NUTS
I
SPARK ARRESTER
SCREEN
37